<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>js变量</title>
		<script>
			var s="陈国云是个大帅哥";
			alert(s+" is "+typeof(s));
			s=21;
			alert(s+" is "+typeof(s));
			s=false;
			alert(s+" is "+typeof(s));
			 
			alert(s.wife+" is "+typeof(s.wife));
			var o=new Object();
			alert(o+" is "+typeof(o));
		</script>
	</head>
	<body>
	</body>
</html>
